Method of printing over a network

A printing method using a server computer connecting at least one client computer and one or more printers via a network, comprising the steps of:

• the server computer receiving a first request for establishment of secure communication session from the one or more printers;
• the server computer establishing a printer secure communication session with the one or more printers based on the first request;
• the server computer receiving a registration request from the one or more printers;
• the server computer obtaining printer information about the one or more printers;
• the server computer registering each printer, of the one or more printers;
• the server computer adding the one or more printers as available printers into a printer management table, the printer management table containing a list of the available printers together with the printer information for each available printer;
• the server computer receiving a second request for establishment of secure communication session from the at least one client computer;
• the server computer establishing a client secure communication session with the at least one client computer based on the second request;
• the server computer retrieving one or more available printers from the printer management table, based on the printer information, and sending a list of retrieved available printers to the at least one client computer;
• the server computer receiving, from the at least one client computer, a print job including a destination designating at least one printer from the list of retrieved available printers as a destination printer;
• and
• the server computer linking, based on the destination, the printer secure communication with the client secure communication to transfer the print job to the destination printer,
• wherein at least one of the printer secure communication session and the client secure communication session is established by a digital certificate that is given to the server computer.